EPS DTC Troubleshooting: 71-01, 71-02, 71-03, 71-05, 71-06
DTC 71-01:
 Motor-Angle Sensor (SIN/COS Signals) (Steering diagnosis)
DTC 71-02:
 Motor-Angle Sensor (Neutral Position Learning of SIN/COS) (Initial diagnosis)
DTC 71-03:
 Motor-Angle Sensor (SIN/COS Signals) (Steering diagnosis)
DTC 71-05:
 Motor-Angle Sensor (SIN/COS Signals changing amount) (Steering diagnosis)
DTC 71-06:
 Motor-Angle Sensor (SIN/COS Signals Initial) (Initial diagnosis)
  1. Clear the DTCs with the HDS.
  1. Turn the ignition switch OFF.
  1. Start the engine.
  1. Turn the steering wheel to the right or left, and wait 10 seconds or more.
Does the EPS indicator come on?
YES -
Go to Step 5 .
NO -
Check for loose terminals or poor connections. If the connections are good, the system is OK at this time.■
  1. Verify the DTC.
Is DTC 71-01, 71-02, 71-03, 71-05 or 71-06 indicated?
YES -
Go to Step 6 .
NO -
Troubleshoot the indicated DTC. If there are no DTCs, the system is OK at this time.■
  1. Turn the ignition switch OFF.
  1. Disconnect EPS control unit connector D (28P).
  1. Check for resistance between the following terminals of EPS control unit connector D (28P).
Is the resistance between R1−R2 13−25 Ω, S1−S3 26−49 Ω, and S2−S4 26−49 Ω?
YES -
Go to Step 9 .
NO -
Go to Step 12 .